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Finding the Fourth Proportional to 563,094.96, 777,071.24 and 308,450.32

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Solution

The fourth proportional to 563,094.96, 777,071.24 and 308,450.32 is: 425,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,094.96 : 777,071.24 = 308,450.32 : x
  2. Step 2: Convert to fraction form
    563,094.96/777,071.24 = 308,450.32/x
  3. Step 3: Cross multiply
    563,094.96x = 777,071.24 × 308,450.32
  4. Step 4: Simplify right side
    563,094.96x = 239,687,872,640.80
  5. Step 5: Solve for x
    x = 239,687,872,640.80/563,094.96
  6. Step 6: Final answer
    x = 425,661.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.